medical professor said Sunday he believes clues to the origin of lung cancer may come from a nationwide study of the bronchial tubes of deceased persons.
Dr. Russell L. Holman, head of the" department of pathology at the LSU school of medicine, said a study of the natural history of the lining of the bronchial tubes, where practically all lung cancer occurs, is now under way,
The study, he said, is one phase of the work being conducted by 10 similiar groups in the US. Each is collecting am studying tissue from bronchia tubes of persons killed accident ally or those dying of natural causes.

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medical professor said Sunday he believes clues to the origin of lung cancer may come from a nationwide study of the bronchial tubes of deceased persons.
Dr. Russell L. Holman, head of the" department of pathology at the LSU school of medicine, said a study of the natural history of the lining of the bronchial tubes, where practically all lung cancer occurs, is now under way,
The study, he said, is one phase of the work being conducted by 10 similiar groups in the US. Each is collecting am studying tissue from bronchia tubes of persons killed accident ally or those dying of natural causes.